Primary finding
Probable cause
Failure of the pilot to keep the external load clear of obstacles (trees). Factors related to the accident were: failure of the pilot and ground crewman to follow safety procedures, and the proximity of the trees.
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NTSB investigation record
SEA90LA081
CompletedHughes 369D· N8306F
- Date
- May 21, 1990
- Location
- Kelso, WA
- Conditions
- VMC
- Record
- Completed
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